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c5d6c770 AS |
1 | /* |
2 | * linux/arch/arm/include/asm/hardware/coresight.h | |
3 | * | |
4 | * CoreSight components' registers | |
5 | * | |
6 | * Copyright (C) 2009 Nokia Corporation. | |
7 | * Alexander Shishkin | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License version 2 as | |
11 | * published by the Free Software Foundation. | |
12 | */ | |
13 | ||
14 | #ifndef __ASM_HARDWARE_CORESIGHT_H | |
15 | #define __ASM_HARDWARE_CORESIGHT_H | |
16 | ||
17 | #define TRACER_ACCESSED_BIT 0 | |
18 | #define TRACER_RUNNING_BIT 1 | |
19 | #define TRACER_CYCLE_ACC_BIT 2 | |
20 | #define TRACER_ACCESSED BIT(TRACER_ACCESSED_BIT) | |
21 | #define TRACER_RUNNING BIT(TRACER_RUNNING_BIT) | |
22 | #define TRACER_CYCLE_ACC BIT(TRACER_CYCLE_ACC_BIT) | |
23 | ||
24 | struct tracectx { | |
25 | unsigned int etb_bufsz; | |
26 | void __iomem *etb_regs; | |
27 | void __iomem *etm_regs; | |
28 | unsigned long flags; | |
29 | int ncmppairs; | |
30 | int etm_portsz; | |
31 | struct device *dev; | |
32 | struct clk *emu_clk; | |
33 | struct mutex mutex; | |
34 | }; | |
35 | ||
36 | #define TRACER_TIMEOUT 10000 | |
37 | ||
38 | #define etm_writel(t, v, x) \ | |
39 | (__raw_writel((v), (t)->etm_regs + (x))) | |
40 | #define etm_readl(t, x) (__raw_readl((t)->etm_regs + (x))) | |
41 | ||
42 | /* CoreSight Management Registers */ | |
43 | #define CSMR_LOCKACCESS 0xfb0 | |
44 | #define CSMR_LOCKSTATUS 0xfb4 | |
45 | #define CSMR_AUTHSTATUS 0xfb8 | |
46 | #define CSMR_DEVID 0xfc8 | |
47 | #define CSMR_DEVTYPE 0xfcc | |
48 | /* CoreSight Component Registers */ | |
49 | #define CSCR_CLASS 0xff4 | |
50 | ||
51 | #define CSCR_PRSR 0x314 | |
52 | ||
53 | #define UNLOCK_MAGIC 0xc5acce55 | |
54 | ||
55 | /* ETM control register, "ETM Architecture", 3.3.1 */ | |
56 | #define ETMR_CTRL 0 | |
57 | #define ETMCTRL_POWERDOWN 1 | |
58 | #define ETMCTRL_PROGRAM (1 << 10) | |
59 | #define ETMCTRL_PORTSEL (1 << 11) | |
60 | #define ETMCTRL_DO_CONTEXTID (3 << 14) | |
61 | #define ETMCTRL_PORTMASK1 (7 << 4) | |
62 | #define ETMCTRL_PORTMASK2 (1 << 21) | |
63 | #define ETMCTRL_PORTMASK (ETMCTRL_PORTMASK1 | ETMCTRL_PORTMASK2) | |
64 | #define ETMCTRL_PORTSIZE(x) ((((x) & 7) << 4) | (!!((x) & 8)) << 21) | |
65 | #define ETMCTRL_DO_CPRT (1 << 1) | |
66 | #define ETMCTRL_DATAMASK (3 << 2) | |
67 | #define ETMCTRL_DATA_DO_DATA (1 << 2) | |
68 | #define ETMCTRL_DATA_DO_ADDR (1 << 3) | |
69 | #define ETMCTRL_DATA_DO_BOTH (ETMCTRL_DATA_DO_DATA | ETMCTRL_DATA_DO_ADDR) | |
70 | #define ETMCTRL_BRANCH_OUTPUT (1 << 8) | |
71 | #define ETMCTRL_CYCLEACCURATE (1 << 12) | |
72 | ||
73 | /* ETM configuration code register */ | |
74 | #define ETMR_CONFCODE (0x04) | |
75 | ||
76 | /* ETM trace start/stop resource control register */ | |
77 | #define ETMR_TRACESSCTRL (0x18) | |
78 | ||
79 | /* ETM trigger event register */ | |
80 | #define ETMR_TRIGEVT (0x08) | |
81 | ||
82 | /* address access type register bits, "ETM architecture", | |
83 | * table 3-27 */ | |
84 | /* - access type */ | |
85 | #define ETMAAT_IFETCH 0 | |
86 | #define ETMAAT_IEXEC 1 | |
87 | #define ETMAAT_IEXECPASS 2 | |
88 | #define ETMAAT_IEXECFAIL 3 | |
89 | #define ETMAAT_DLOADSTORE 4 | |
90 | #define ETMAAT_DLOAD 5 | |
91 | #define ETMAAT_DSTORE 6 | |
92 | /* - comparison access size */ | |
93 | #define ETMAAT_JAVA (0 << 3) | |
94 | #define ETMAAT_THUMB (1 << 3) | |
95 | #define ETMAAT_ARM (3 << 3) | |
96 | /* - data value comparison control */ | |
97 | #define ETMAAT_NOVALCMP (0 << 5) | |
98 | #define ETMAAT_VALMATCH (1 << 5) | |
99 | #define ETMAAT_VALNOMATCH (3 << 5) | |
100 | /* - exact match */ | |
101 | #define ETMAAT_EXACTMATCH (1 << 7) | |
102 | /* - context id comparator control */ | |
103 | #define ETMAAT_IGNCONTEXTID (0 << 8) | |
104 | #define ETMAAT_VALUE1 (1 << 8) | |
105 | #define ETMAAT_VALUE2 (2 << 8) | |
106 | #define ETMAAT_VALUE3 (3 << 8) | |
107 | /* - security level control */ | |
108 | #define ETMAAT_IGNSECURITY (0 << 10) | |
109 | #define ETMAAT_NSONLY (1 << 10) | |
110 | #define ETMAAT_SONLY (2 << 10) | |
111 | ||
112 | #define ETMR_COMP_VAL(x) (0x40 + (x) * 4) | |
113 | #define ETMR_COMP_ACC_TYPE(x) (0x80 + (x) * 4) | |
114 | ||
115 | /* ETM status register, "ETM Architecture", 3.3.2 */ | |
116 | #define ETMR_STATUS (0x10) | |
117 | #define ETMST_OVERFLOW (1 << 0) | |
118 | #define ETMST_PROGBIT (1 << 1) | |
119 | #define ETMST_STARTSTOP (1 << 2) | |
120 | #define ETMST_TRIGGER (1 << 3) | |
121 | ||
122 | #define etm_progbit(t) (etm_readl((t), ETMR_STATUS) & ETMST_PROGBIT) | |
123 | #define etm_started(t) (etm_readl((t), ETMR_STATUS) & ETMST_STARTSTOP) | |
124 | #define etm_triggered(t) (etm_readl((t), ETMR_STATUS) & ETMST_TRIGGER) | |
125 | ||
126 | #define ETMR_TRACEENCTRL2 0x1c | |
127 | #define ETMR_TRACEENCTRL 0x24 | |
128 | #define ETMTE_INCLEXCL (1 << 24) | |
129 | #define ETMR_TRACEENEVT 0x20 | |
130 | #define ETMCTRL_OPTS (ETMCTRL_DO_CPRT | \ | |
131 | ETMCTRL_DATA_DO_ADDR | \ | |
132 | ETMCTRL_BRANCH_OUTPUT | \ | |
133 | ETMCTRL_DO_CONTEXTID) | |
134 | ||
135 | /* ETB registers, "CoreSight Components TRM", 9.3 */ | |
136 | #define ETBR_DEPTH 0x04 | |
137 | #define ETBR_STATUS 0x0c | |
138 | #define ETBR_READMEM 0x10 | |
139 | #define ETBR_READADDR 0x14 | |
140 | #define ETBR_WRITEADDR 0x18 | |
141 | #define ETBR_TRIGGERCOUNT 0x1c | |
142 | #define ETBR_CTRL 0x20 | |
143 | #define ETBR_FORMATTERCTRL 0x304 | |
144 | #define ETBFF_ENFTC 1 | |
145 | #define ETBFF_ENFCONT (1 << 1) | |
146 | #define ETBFF_FONFLIN (1 << 4) | |
147 | #define ETBFF_MANUAL_FLUSH (1 << 6) | |
148 | #define ETBFF_TRIGIN (1 << 8) | |
149 | #define ETBFF_TRIGEVT (1 << 9) | |
150 | #define ETBFF_TRIGFL (1 << 10) | |
151 | ||
152 | #define etb_writel(t, v, x) \ | |
153 | (__raw_writel((v), (t)->etb_regs + (x))) | |
154 | #define etb_readl(t, x) (__raw_readl((t)->etb_regs + (x))) | |
155 | ||
156 | #define etm_lock(t) do { etm_writel((t), 0, CSMR_LOCKACCESS); } while (0) | |
157 | #define etm_unlock(t) \ | |
158 | do { etm_writel((t), UNLOCK_MAGIC, CSMR_LOCKACCESS); } while (0) | |
159 | ||
160 | #define etb_lock(t) do { etb_writel((t), 0, CSMR_LOCKACCESS); } while (0) | |
161 | #define etb_unlock(t) \ | |
162 | do { etb_writel((t), UNLOCK_MAGIC, CSMR_LOCKACCESS); } while (0) | |
163 | ||
164 | #endif /* __ASM_HARDWARE_CORESIGHT_H */ | |
165 |